Food tray temperature maintenance station



FIG. 1 is an isometric view of a food tray temperature maintenance station showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof.

The left side of the device is a mirror image of the side disclosed in FIG. 1. 

The ornamental design for a food tray temperature maintenance station, as shown and described. 